Textbook of geometry 
Watson, April. 
 -  NY Research Press,  2020 
 - vi, 212 pages 
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<br/><br/><label>ISBN: </label>978-1-63238-780-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry.
<br/><br/><label>Dewey Class. No.: </label>516 W3371 2020